| 1 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
| 2 | * All rights reserved. |
| 3 | * |
| 4 | * This package is an SSL implementation written |
| 5 | * by Eric Young (eay@cryptsoft.com). |
| 6 | * The implementation was written so as to conform with Netscapes SSL. |
| 7 | * |
| 8 | * This library is free for commercial and non-commercial use as long as |
| 9 | * the following conditions are aheared to. The following conditions |
| 10 | * apply to all code found in this distribution, be it the RC4, RSA, |
| 11 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
| 12 | * included with this distribution is covered by the same copyright terms |
| 13 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
| 14 | * |
| 15 | * Copyright remains Eric Young's, and as such any Copyright notices in |
| 16 | * the code are not to be removed. |
| 17 | * If this package is used in a product, Eric Young should be given attribution |
| 18 | * as the author of the parts of the library used. |
| 19 | * This can be in the form of a textual message at program startup or |
| 20 | * in documentation (online or textual) provided with the package. |
| 21 | * |
| 22 | * Redistribution and use in source and binary forms, with or without |
| 23 | * modification, are permitted provided that the following conditions |
| 24 | * are met: |
| 25 | * 1. Redistributions of source code must retain the copyright |
| 26 | * notice, this list of conditions and the following disclaimer. |
| 27 | * 2. Redistributions in binary form must reproduce the above copyright |
| 28 | * notice, this list of conditions and the following disclaimer in the |
| 29 | * documentation and/or other materials provided with the distribution. |
| 30 | * 3. All advertising materials mentioning features or use of this software |
| 31 | * must display the following acknowledgement: |
| 32 | * "This product includes cryptographic software written by |
| 33 | * Eric Young (eay@cryptsoft.com)" |
| 34 | * The word 'cryptographic' can be left out if the rouines from the library |
| 35 | * being used are not cryptographic related :-). |
| 36 | * 4. If you include any Windows specific code (or a derivative thereof) from |
| 37 | * the apps directory (application code) you must include an acknowledgement: |
| 38 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| 39 | * |
| 40 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| 41 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 43 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 44 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 45 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 46 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 48 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 49 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 50 | * SUCH DAMAGE. |
| 51 | * |
| 52 | * The licence and distribution terms for any publically available version or |
| 53 | * derivative of this code cannot be changed. i.e. this code cannot simply be |
| 54 | * copied and put under another distribution licence |
| 55 | * [including the GNU Public Licence.] */ |
| 56 | |
| 57 | #include <openssl/conf.h> |
| 58 | |
| 59 | #include <string.h> |
| 60 | #include <ctype.h> |
| 61 | |
| 62 | #include <openssl/bio.h> |
| 63 | #include <openssl/buf.h> |
| 64 | #include <openssl/err.h> |
| 65 | #include <openssl/lhash.h> |
| 66 | #include <openssl/mem.h> |
| 67 | |
| 68 | #include "conf_def.h" |
| 69 | #include "internal.h" |
| 70 | #include "../internal.h" |
| 71 | |
| 72 | |
| 73 | DEFINE_LHASH_OF(CONF_VALUE) |
| 74 | |
| 75 | struct conf_st { |
| 76 | LHASH_OF(CONF_VALUE) *data; |
| 77 | }; |
| 78 | |
| 79 | // The maximum length we can grow a value to after variable expansion. 64k |
| 80 | // should be more than enough for all reasonable uses. |
| 81 | #define MAX_CONF_VALUE_LENGTH 65536 |
| 82 | |
| 83 | static uint32_t conf_value_hash(const CONF_VALUE *v) { |
| 84 | return (lh_strhash(v->section) << 2) ^ lh_strhash(v->name); |
| 85 | } |
| 86 | |
| 87 | static int conf_value_cmp(const CONF_VALUE *a, const CONF_VALUE *b) { |
| 88 | int i; |
| 89 | |
| 90 | if (a->section != b->section) { |
| 91 | i = strcmp(a->section, b->section); |
| 92 | if (i) { |
| 93 | return i; |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | if (a->name != NULL && b->name != NULL) { |
| 98 | return strcmp(a->name, b->name); |
| 99 | } else if (a->name == b->name) { |
| 100 | return 0; |
| 101 | } else { |
| 102 | return (a->name == NULL) ? -1 : 1; |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | CONF *NCONF_new(void *method) { |
| 107 | CONF *conf; |
| 108 | |
| 109 | if (method != NULL) { |
| 110 | return NULL; |
| 111 | } |
| 112 | |
| 113 | conf = OPENSSL_malloc(sizeof(CONF)); |
| 114 | if (conf == NULL) { |
| 115 | return NULL; |
| 116 | } |
| 117 | |
| 118 | conf->data = lh_CONF_VALUE_new(conf_value_hash, conf_value_cmp); |
| 119 | if (conf->data == NULL) { |
| 120 | OPENSSL_free(conf); |
| 121 | return NULL; |
| 122 | } |
| 123 | |
| 124 | return conf; |
| 125 | } |
| 126 | |
| 127 | CONF_VALUE *CONF_VALUE_new(void) { |
| 128 | CONF_VALUE *v = OPENSSL_malloc(sizeof(CONF_VALUE)); |
| 129 | if (!v) { |
| 130 | OPENSSL_PUT_ERROR(CONF, ERR_R_MALLOC_FAILURE); |
| 131 | return NULL; |
| 132 | } |
| 133 | OPENSSL_memset(v, 0, sizeof(CONF_VALUE)); |
| 134 | return v; |
| 135 | } |
| 136 | |
| 137 | static void value_free_contents(CONF_VALUE *value) { |
| 138 | if (value->section) { |
| 139 | OPENSSL_free(value->section); |
| 140 | } |
| 141 | if (value->name) { |
| 142 | OPENSSL_free(value->name); |
| 143 | if (value->value) { |
| 144 | OPENSSL_free(value->value); |
| 145 | } |
| 146 | } else { |
| 147 | if (value->value) { |
| 148 | sk_CONF_VALUE_free((STACK_OF(CONF_VALUE)*)value->value); |
| 149 | } |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | static void value_free(CONF_VALUE *value) { |
| 154 | value_free_contents(value); |
| 155 | OPENSSL_free(value); |
| 156 | } |
| 157 | |
| 158 | void NCONF_free(CONF *conf) { |
| 159 | if (conf == NULL || conf->data == NULL) { |
| 160 | return; |
| 161 | } |
| 162 | |
| 163 | lh_CONF_VALUE_doall(conf->data, value_free); |
| 164 | lh_CONF_VALUE_free(conf->data); |
| 165 | OPENSSL_free(conf); |
| 166 | } |
| 167 | |
| 168 | static CONF_VALUE *NCONF_new_section(const CONF *conf, const char *section) { |
| 169 | STACK_OF(CONF_VALUE) *sk = NULL; |
| 170 | int ok = 0; |
| 171 | CONF_VALUE *v = NULL, *old_value; |
| 172 | |
| 173 | sk = sk_CONF_VALUE_new_null(); |
| 174 | v = CONF_VALUE_new(); |
| 175 | if (sk == NULL || v == NULL) { |
| 176 | goto err; |
| 177 | } |
| 178 | v->section = OPENSSL_strdup(section); |
| 179 | if (v->section == NULL) { |
| 180 | goto err; |
| 181 | } |
| 182 | |
| 183 | v->name = NULL; |
| 184 | v->value = (char *)sk; |
| 185 | |
| 186 | if (!lh_CONF_VALUE_insert(conf->data, &old_value, v)) { |
| 187 | goto err; |
| 188 | } |
| 189 | if (old_value) { |
| 190 | value_free(old_value); |
| 191 | } |
| 192 | ok = 1; |
| 193 | |
| 194 | err: |
| 195 | if (!ok) { |
| 196 | if (sk != NULL) { |
| 197 | sk_CONF_VALUE_free(sk); |
| 198 | } |
| 199 | if (v != NULL) { |
| 200 | OPENSSL_free(v); |
| 201 | } |
| 202 | v = NULL; |
| 203 | } |
| 204 | return v; |
| 205 | } |
| 206 | |
| 207 | static int str_copy(CONF *conf, char *section, char **pto, char *from) { |
| 208 | int q, r, rr = 0, to = 0, len = 0; |
| 209 | char *s, *e, *rp, *rrp, *np, *cp, v; |
| 210 | const char *p; |
| 211 | BUF_MEM *buf; |
| 212 | |
| 213 | buf = BUF_MEM_new(); |
| 214 | if (buf == NULL) { |
| 215 | return 0; |
| 216 | } |
| 217 | |
| 218 | len = strlen(from) + 1; |
| 219 | if (!BUF_MEM_grow(buf, len)) { |
| 220 | goto err; |
| 221 | } |
| 222 | |
| 223 | for (;;) { |
| 224 | if (IS_QUOTE(conf, *from)) { |
| 225 | q = *from; |
| 226 | from++; |
| 227 | while (!IS_EOF(conf, *from) && (*from != q)) { |
| 228 | if (IS_ESC(conf, *from)) { |
| 229 | from++; |
| 230 | if (IS_EOF(conf, *from)) { |
| 231 | break; |
| 232 | } |
| 233 | } |
| 234 | buf->data[to++] = *(from++); |
| 235 | } |
| 236 | if (*from == q) { |
| 237 | from++; |
| 238 | } |
| 239 | } else if (IS_DQUOTE(conf, *from)) { |
| 240 | q = *from; |
| 241 | from++; |
| 242 | while (!IS_EOF(conf, *from)) { |
| 243 | if (*from == q) { |
| 244 | if (*(from + 1) == q) { |
| 245 | from++; |
| 246 | } else { |
| 247 | break; |
| 248 | } |
| 249 | } |
| 250 | buf->data[to++] = *(from++); |
| 251 | } |
| 252 | if (*from == q) { |
| 253 | from++; |
| 254 | } |
| 255 | } else if (IS_ESC(conf, *from)) { |
| 256 | from++; |
| 257 | v = *(from++); |
| 258 | if (IS_EOF(conf, v)) { |
| 259 | break; |
| 260 | } else if (v == 'r') { |
| 261 | v = '\r'; |
| 262 | } else if (v == 'n') { |
| 263 | v = '\n'; |
| 264 | } else if (v == 'b') { |
| 265 | v = '\b'; |
| 266 | } else if (v == 't') { |
| 267 | v = '\t'; |
| 268 | } |
| 269 | buf->data[to++] = v; |
| 270 | } else if (IS_EOF(conf, *from)) { |
| 271 | break; |
| 272 | } else if (*from == '$') { |
| 273 | // try to expand it |
| 274 | rrp = NULL; |
| 275 | s = &(from[1]); |
| 276 | if (*s == '{') { |
| 277 | q = '}'; |
| 278 | } else if (*s == '(') { |
| 279 | q = ')'; |
| 280 | } else { |
| 281 | q = 0; |
| 282 | } |
| 283 | |
| 284 | if (q) { |
| 285 | s++; |
| 286 | } |
| 287 | cp = section; |
| 288 | e = np = s; |
| 289 | while (IS_ALPHA_NUMERIC(conf, *e)) { |
| 290 | e++; |
| 291 | } |
| 292 | if (e[0] == ':' && e[1] == ':') { |
| 293 | cp = np; |
| 294 | rrp = e; |
| 295 | rr = *e; |
| 296 | *rrp = '\0'; |
| 297 | e += 2; |
| 298 | np = e; |
| 299 | while (IS_ALPHA_NUMERIC(conf, *e)) { |
| 300 | e++; |
| 301 | } |
| 302 | } |
| 303 | r = *e; |
| 304 | *e = '\0'; |
| 305 | rp = e; |
| 306 | if (q) { |
| 307 | if (r != q) { |
| 308 | OPENSSL_PUT_ERROR(CONF, CONF_R_NO_CLOSE_BRACE); |
| 309 | goto err; |
| 310 | } |
| 311 | e++; |
| 312 | } |
| 313 | // So at this point we have |
| 314 | // np which is the start of the name string which is |
| 315 | // '\0' terminated. |
| 316 | // cp which is the start of the section string which is |
| 317 | // '\0' terminated. |
| 318 | // e is the 'next point after'. |
| 319 | // r and rr are the chars replaced by the '\0' |
| 320 | // rp and rrp is where 'r' and 'rr' came from. |
| 321 | p = NCONF_get_string(conf, cp, np); |
| 322 | if (rrp != NULL) { |
| 323 | *rrp = rr; |
| 324 | } |
| 325 | *rp = r; |
| 326 | if (p == NULL) { |
| 327 | OPENSSL_PUT_ERROR(CONF, CONF_R_VARIABLE_HAS_NO_VALUE); |
| 328 | goto err; |
| 329 | } |
| 330 | size_t newsize = strlen(p) + buf->length - (e - from); |
| 331 | if (newsize > MAX_CONF_VALUE_LENGTH) { |
| 332 | OPENSSL_PUT_ERROR(CONF, CONF_R_VARIABLE_EXPANSION_TOO_LONG); |
| 333 | goto err; |
| 334 | } |
| 335 | if (!BUF_MEM_grow_clean(buf, newsize)) { |
| 336 | OPENSSL_PUT_ERROR(CONF, ERR_R_MALLOC_FAILURE); |
| 337 | goto err; |
| 338 | } |
| 339 | while (*p) { |
| 340 | buf->data[to++] = *(p++); |
| 341 | } |
| 342 | |
| 343 | /* Since we change the pointer 'from', we also have |
| 344 | to change the perceived length of the string it |
| 345 | points at. /RL */ |
| 346 | len -= e - from; |
| 347 | from = e; |
| 348 | |
| 349 | /* In case there were no braces or parenthesis around |
| 350 | the variable reference, we have to put back the |
| 351 | character that was replaced with a '\0'. /RL */ |
| 352 | *rp = r; |
| 353 | } else { |
| 354 | buf->data[to++] = *(from++); |
| 355 | } |
| 356 | } |
| 357 | |
| 358 | buf->data[to] = '\0'; |
| 359 | if (*pto != NULL) { |
| 360 | OPENSSL_free(*pto); |
| 361 | } |
| 362 | *pto = buf->data; |
| 363 | OPENSSL_free(buf); |
| 364 | return 1; |
| 365 | |
| 366 | err: |
| 367 | if (buf != NULL) { |
| 368 | BUF_MEM_free(buf); |
| 369 | } |
| 370 | return 0; |
| 371 | } |
| 372 | |
| 373 | static CONF_VALUE *get_section(const CONF *conf, const char *section) { |
| 374 | CONF_VALUE template; |
| 375 | |
| 376 | OPENSSL_memset(&template, 0, sizeof(template)); |
| 377 | template.section = (char *) section; |
| 378 | return lh_CONF_VALUE_retrieve(conf->data, &template); |
| 379 | } |
| 380 | |
| 381 | STACK_OF(CONF_VALUE) *NCONF_get_section(const CONF *conf, const char *section) { |
| 382 | CONF_VALUE *section_value = get_section(conf, section); |
| 383 | if (section_value == NULL) { |
| 384 | return NULL; |
| 385 | } |
| 386 | return (STACK_OF(CONF_VALUE)*) section_value->value; |
| 387 | } |
| 388 | |
| 389 | const char *NCONF_get_string(const CONF *conf, const char *section, |
| 390 | const char *name) { |
| 391 | CONF_VALUE template, *value; |
| 392 | |
| 393 | OPENSSL_memset(&template, 0, sizeof(template)); |
| 394 | template.section = (char *) section; |
| 395 | template.name = (char *) name; |
| 396 | value = lh_CONF_VALUE_retrieve(conf->data, &template); |
| 397 | if (value == NULL) { |
| 398 | return NULL; |
| 399 | } |
| 400 | return value->value; |
| 401 | } |
| 402 | |
| 403 | static int add_string(const CONF *conf, CONF_VALUE *section, |
| 404 | CONF_VALUE *value) { |
| 405 | STACK_OF(CONF_VALUE) *section_stack = (STACK_OF(CONF_VALUE)*) section->value; |
| 406 | CONF_VALUE *old_value; |
| 407 | |
| 408 | value->section = OPENSSL_strdup(section->section); |
| 409 | if (!sk_CONF_VALUE_push(section_stack, value)) { |
| 410 | return 0; |
| 411 | } |
| 412 | |
| 413 | if (!lh_CONF_VALUE_insert(conf->data, &old_value, value)) { |
| 414 | return 0; |
| 415 | } |
| 416 | if (old_value != NULL) { |
| 417 | (void)sk_CONF_VALUE_delete_ptr(section_stack, old_value); |
| 418 | value_free(old_value); |
| 419 | } |
| 420 | |
| 421 | return 1; |
| 422 | } |
| 423 | |
| 424 | static char *eat_ws(CONF *conf, char *p) { |
| 425 | while (IS_WS(conf, *p) && !IS_EOF(conf, *p)) { |
| 426 | p++; |
| 427 | } |
| 428 | return p; |
| 429 | } |
| 430 | |
| 431 | #define scan_esc(conf, p) (((IS_EOF((conf), (p)[1])) ? ((p) + 1) : ((p) + 2))) |
| 432 | |
| 433 | static char *eat_alpha_numeric(CONF *conf, char *p) { |
| 434 | for (;;) { |
| 435 | if (IS_ESC(conf, *p)) { |
| 436 | p = scan_esc(conf, p); |
| 437 | continue; |
| 438 | } |
| 439 | if (!IS_ALPHA_NUMERIC_PUNCT(conf, *p)) { |
| 440 | return p; |
| 441 | } |
| 442 | p++; |
| 443 | } |
| 444 | } |
| 445 | |
| 446 | static char *scan_quote(CONF *conf, char *p) { |
| 447 | int q = *p; |
| 448 | |
| 449 | p++; |
| 450 | while (!IS_EOF(conf, *p) && *p != q) { |
| 451 | if (IS_ESC(conf, *p)) { |
| 452 | p++; |
| 453 | if (IS_EOF(conf, *p)) { |
| 454 | return p; |
| 455 | } |
| 456 | } |
| 457 | p++; |
| 458 | } |
| 459 | if (*p == q) { |
| 460 | p++; |
| 461 | } |
| 462 | return p; |
| 463 | } |
| 464 | |
| 465 | |
| 466 | static char *scan_dquote(CONF *conf, char *p) { |
| 467 | int q = *p; |
| 468 | |
| 469 | p++; |
| 470 | while (!(IS_EOF(conf, *p))) { |
| 471 | if (*p == q) { |
| 472 | if (*(p + 1) == q) { |
| 473 | p++; |
| 474 | } else { |
| 475 | break; |
| 476 | } |
| 477 | } |
| 478 | p++; |
| 479 | } |
| 480 | if (*p == q) { |
| 481 | p++; |
| 482 | } |
| 483 | return p; |
| 484 | } |
| 485 | |
| 486 | static void (CONF *conf, char *p) { |
| 487 | for (;;) { |
| 488 | if (IS_FCOMMENT(conf, *p)) { |
| 489 | *p = '\0'; |
| 490 | return; |
| 491 | } |
| 492 | if (!IS_WS(conf, *p)) { |
| 493 | break; |
| 494 | } |
| 495 | p++; |
| 496 | } |
| 497 | |
| 498 | for (;;) { |
| 499 | if (IS_COMMENT(conf, *p)) { |
| 500 | *p = '\0'; |
| 501 | return; |
| 502 | } |
| 503 | if (IS_DQUOTE(conf, *p)) { |
| 504 | p = scan_dquote(conf, p); |
| 505 | continue; |
| 506 | } |
| 507 | if (IS_QUOTE(conf, *p)) { |
| 508 | p = scan_quote(conf, p); |
| 509 | continue; |
| 510 | } |
| 511 | if (IS_ESC(conf, *p)) { |
| 512 | p = scan_esc(conf, p); |
| 513 | continue; |
| 514 | } |
| 515 | if (IS_EOF(conf, *p)) { |
| 516 | return; |
| 517 | } else { |
| 518 | p++; |
| 519 | } |
| 520 | } |
| 521 | } |
| 522 | |
| 523 | static int def_load_bio(CONF *conf, BIO *in, long *out_error_line) { |
| 524 | static const size_t CONFBUFSIZE = 512; |
| 525 | int bufnum = 0, i, ii; |
| 526 | BUF_MEM *buff = NULL; |
| 527 | char *s, *p, *end; |
| 528 | int again; |
| 529 | long eline = 0; |
| 530 | char btmp[DECIMAL_SIZE(eline) + 1]; |
| 531 | CONF_VALUE *v = NULL, *tv; |
| 532 | CONF_VALUE *sv = NULL; |
| 533 | char *section = NULL, *buf; |
| 534 | char *start, *psection, *pname; |
| 535 | |
| 536 | if ((buff = BUF_MEM_new()) == NULL) { |
| 537 | OPENSSL_PUT_ERROR(CONF, ERR_R_BUF_LIB); |
| 538 | goto err; |
| 539 | } |
| 540 | |
| 541 | section = OPENSSL_strdup("default" ); |
| 542 | if (section == NULL) { |
| 543 | OPENSSL_PUT_ERROR(CONF, ERR_R_MALLOC_FAILURE); |
| 544 | goto err; |
| 545 | } |
| 546 | |
| 547 | sv = NCONF_new_section(conf, section); |
| 548 | if (sv == NULL) { |
| 549 | OPENSSL_PUT_ERROR(CONF, CONF_R_UNABLE_TO_CREATE_NEW_SECTION); |
| 550 | goto err; |
| 551 | } |
| 552 | |
| 553 | bufnum = 0; |
| 554 | again = 0; |
| 555 | for (;;) { |
| 556 | if (!BUF_MEM_grow(buff, bufnum + CONFBUFSIZE)) { |
| 557 | OPENSSL_PUT_ERROR(CONF, ERR_R_BUF_LIB); |
| 558 | goto err; |
| 559 | } |
| 560 | p = &(buff->data[bufnum]); |
| 561 | *p = '\0'; |
| 562 | BIO_gets(in, p, CONFBUFSIZE - 1); |
| 563 | p[CONFBUFSIZE - 1] = '\0'; |
| 564 | ii = i = strlen(p); |
| 565 | if (i == 0 && !again) { |
| 566 | break; |
| 567 | } |
| 568 | again = 0; |
| 569 | while (i > 0) { |
| 570 | if ((p[i - 1] != '\r') && (p[i - 1] != '\n')) { |
| 571 | break; |
| 572 | } else { |
| 573 | i--; |
| 574 | } |
| 575 | } |
| 576 | // we removed some trailing stuff so there is a new |
| 577 | // line on the end. |
| 578 | if (ii && i == ii) { |
| 579 | again = 1; // long line |
| 580 | } else { |
| 581 | p[i] = '\0'; |
| 582 | eline++; // another input line |
| 583 | } |
| 584 | |
| 585 | // we now have a line with trailing \r\n removed |
| 586 | |
| 587 | // i is the number of bytes |
| 588 | bufnum += i; |
| 589 | |
| 590 | v = NULL; |
| 591 | // check for line continuation |
| 592 | if (bufnum >= 1) { |
| 593 | // If we have bytes and the last char '\\' and |
| 594 | // second last char is not '\\' |
| 595 | p = &(buff->data[bufnum - 1]); |
| 596 | if (IS_ESC(conf, p[0]) && ((bufnum <= 1) || !IS_ESC(conf, p[-1]))) { |
| 597 | bufnum--; |
| 598 | again = 1; |
| 599 | } |
| 600 | } |
| 601 | if (again) { |
| 602 | continue; |
| 603 | } |
| 604 | bufnum = 0; |
| 605 | buf = buff->data; |
| 606 | |
| 607 | clear_comments(conf, buf); |
| 608 | s = eat_ws(conf, buf); |
| 609 | if (IS_EOF(conf, *s)) { |
| 610 | continue; // blank line |
| 611 | } |
| 612 | if (*s == '[') { |
| 613 | char *ss; |
| 614 | |
| 615 | s++; |
| 616 | start = eat_ws(conf, s); |
| 617 | ss = start; |
| 618 | again: |
| 619 | end = eat_alpha_numeric(conf, ss); |
| 620 | p = eat_ws(conf, end); |
| 621 | if (*p != ']') { |
| 622 | if (*p != '\0' && ss != p) { |
| 623 | ss = p; |
| 624 | goto again; |
| 625 | } |
| 626 | OPENSSL_PUT_ERROR(CONF, CONF_R_MISSING_CLOSE_SQUARE_BRACKET); |
| 627 | goto err; |
| 628 | } |
| 629 | *end = '\0'; |
| 630 | if (!str_copy(conf, NULL, §ion, start)) { |
| 631 | goto err; |
| 632 | } |
| 633 | if ((sv = get_section(conf, section)) == NULL) { |
| 634 | sv = NCONF_new_section(conf, section); |
| 635 | } |
| 636 | if (sv == NULL) { |
| 637 | OPENSSL_PUT_ERROR(CONF, CONF_R_UNABLE_TO_CREATE_NEW_SECTION); |
| 638 | goto err; |
| 639 | } |
| 640 | continue; |
| 641 | } else { |
| 642 | pname = s; |
| 643 | psection = NULL; |
| 644 | end = eat_alpha_numeric(conf, s); |
| 645 | if ((end[0] == ':') && (end[1] == ':')) { |
| 646 | *end = '\0'; |
| 647 | end += 2; |
| 648 | psection = pname; |
| 649 | pname = end; |
| 650 | end = eat_alpha_numeric(conf, end); |
| 651 | } |
| 652 | p = eat_ws(conf, end); |
| 653 | if (*p != '=') { |
| 654 | OPENSSL_PUT_ERROR(CONF, CONF_R_MISSING_EQUAL_SIGN); |
| 655 | goto err; |
| 656 | } |
| 657 | *end = '\0'; |
| 658 | p++; |
| 659 | start = eat_ws(conf, p); |
| 660 | while (!IS_EOF(conf, *p)) { |
| 661 | p++; |
| 662 | } |
| 663 | p--; |
| 664 | while ((p != start) && (IS_WS(conf, *p))) { |
| 665 | p--; |
| 666 | } |
| 667 | p++; |
| 668 | *p = '\0'; |
| 669 | |
| 670 | if (!(v = CONF_VALUE_new())) { |
| 671 | goto err; |
| 672 | } |
| 673 | if (psection == NULL) { |
| 674 | psection = section; |
| 675 | } |
| 676 | v->name = OPENSSL_strdup(pname); |
| 677 | if (v->name == NULL) { |
| 678 | OPENSSL_PUT_ERROR(CONF, ERR_R_MALLOC_FAILURE); |
| 679 | goto err; |
| 680 | } |
| 681 | if (!str_copy(conf, psection, &(v->value), start)) { |
| 682 | goto err; |
| 683 | } |
| 684 | |
| 685 | if (strcmp(psection, section) != 0) { |
| 686 | if ((tv = get_section(conf, psection)) == NULL) { |
| 687 | tv = NCONF_new_section(conf, psection); |
| 688 | } |
| 689 | if (tv == NULL) { |
| 690 | OPENSSL_PUT_ERROR(CONF, CONF_R_UNABLE_TO_CREATE_NEW_SECTION); |
| 691 | goto err; |
| 692 | } |
| 693 | } else { |
| 694 | tv = sv; |
| 695 | } |
| 696 | if (add_string(conf, tv, v) == 0) { |
| 697 | OPENSSL_PUT_ERROR(CONF, ERR_R_MALLOC_FAILURE); |
| 698 | goto err; |
| 699 | } |
| 700 | v = NULL; |
| 701 | } |
| 702 | } |
| 703 | if (buff != NULL) { |
| 704 | BUF_MEM_free(buff); |
| 705 | } |
| 706 | if (section != NULL) { |
| 707 | OPENSSL_free(section); |
| 708 | } |
| 709 | return 1; |
| 710 | |
| 711 | err: |
| 712 | if (buff != NULL) { |
| 713 | BUF_MEM_free(buff); |
| 714 | } |
| 715 | if (section != NULL) { |
| 716 | OPENSSL_free(section); |
| 717 | } |
| 718 | if (out_error_line != NULL) { |
| 719 | *out_error_line = eline; |
| 720 | } |
| 721 | BIO_snprintf(btmp, sizeof btmp, "%ld" , eline); |
| 722 | ERR_add_error_data(2, "line " , btmp); |
| 723 | |
| 724 | if (v != NULL) { |
| 725 | if (v->name != NULL) { |
| 726 | OPENSSL_free(v->name); |
| 727 | } |
| 728 | if (v->value != NULL) { |
| 729 | OPENSSL_free(v->value); |
| 730 | } |
| 731 | if (v != NULL) { |
| 732 | OPENSSL_free(v); |
| 733 | } |
| 734 | } |
| 735 | return 0; |
| 736 | } |
| 737 | |
| 738 | int NCONF_load(CONF *conf, const char *filename, long *out_error_line) { |
| 739 | BIO *in = BIO_new_file(filename, "rb" ); |
| 740 | int ret; |
| 741 | |
| 742 | if (in == NULL) { |
| 743 | OPENSSL_PUT_ERROR(CONF, ERR_R_SYS_LIB); |
| 744 | return 0; |
| 745 | } |
| 746 | |
| 747 | ret = def_load_bio(conf, in, out_error_line); |
| 748 | BIO_free(in); |
| 749 | |
| 750 | return ret; |
| 751 | } |
| 752 | |
| 753 | int NCONF_load_bio(CONF *conf, BIO *bio, long *out_error_line) { |
| 754 | return def_load_bio(conf, bio, out_error_line); |
| 755 | } |
| 756 | |
| 757 | int CONF_parse_list(const char *list, char sep, int remove_whitespace, |
| 758 | int (*list_cb)(const char *elem, int len, void *usr), |
| 759 | void *arg) { |
| 760 | int ret; |
| 761 | const char *lstart, *tmpend, *p; |
| 762 | |
| 763 | if (list == NULL) { |
| 764 | OPENSSL_PUT_ERROR(CONF, CONF_R_LIST_CANNOT_BE_NULL); |
| 765 | return 0; |
| 766 | } |
| 767 | |
| 768 | lstart = list; |
| 769 | for (;;) { |
| 770 | if (remove_whitespace) { |
| 771 | while (*lstart && isspace((unsigned char)*lstart)) { |
| 772 | lstart++; |
| 773 | } |
| 774 | } |
| 775 | p = strchr(lstart, sep); |
| 776 | if (p == lstart || !*lstart) { |
| 777 | ret = list_cb(NULL, 0, arg); |
| 778 | } else { |
| 779 | if (p) { |
| 780 | tmpend = p - 1; |
| 781 | } else { |
| 782 | tmpend = lstart + strlen(lstart) - 1; |
| 783 | } |
| 784 | if (remove_whitespace) { |
| 785 | while (isspace((unsigned char)*tmpend)) { |
| 786 | tmpend--; |
| 787 | } |
| 788 | } |
| 789 | ret = list_cb(lstart, tmpend - lstart + 1, arg); |
| 790 | } |
| 791 | if (ret <= 0) { |
| 792 | return ret; |
| 793 | } |
| 794 | if (p == NULL) { |
| 795 | return 1; |
| 796 | } |
| 797 | lstart = p + 1; |
| 798 | } |
| 799 | } |
| 800 | |
| 801 | int CONF_modules_load_file(const char *filename, const char *appname, |
| 802 | unsigned long flags) { |
| 803 | return 1; |
| 804 | } |
| 805 | |
| 806 | void CONF_modules_free(void) {} |
| 807 | |
| 808 | void OPENSSL_config(const char *config_name) {} |
| 809 | |
| 810 | void OPENSSL_no_config(void) {} |
| 811 | |